Home / 3,018.71-4,166.06-1,674.45

Finding the Fourth Proportional to 3,018.71, 4,166.06 and 1,674.45

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Solution

The fourth proportional to 3,018.71, 4,166.06 and 1,674.45 is: 2,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.71 : 4,166.06 = 1,674.45 : x
  2. Step 2: Convert to fraction form
    3,018.71/4,166.06 = 1,674.45/x
  3. Step 3: Cross multiply
    3,018.71x = 4,166.06 × 1,674.45
  4. Step 4: Simplify right side
    3,018.71x = 6,975,867.56
  5. Step 5: Solve for x
    x = 6,975,867.56/3,018.71
  6. Step 6: Final answer
    x = 2,310.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.